Meal replacement products: getting nutrition right in a changing world of weight management

Published: 29-Apr-2026
Food

Following the high-profile NHS approval of GLP-1 medications in 2023, weight and diabetes management have been pushed to the forefront of the public’s mind

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The management of diabetes — and weight loss to support it — is undergoing a huge period of disruption.

But the introduction of GLP-1 drugs in UK medical settings isn’t the first time the world of weight loss has been shaken up.

Total Diet Replacement (TDR) products, described as nutritionally complete, low-calorie meals designed to help you lose weight safely and sustainably, have been championed by brands such as Cambridge Weight Plan (The 1:1 Diet) since the 1980s.

Mark Gilbert (pictured), Commercial Nutritionist at Food Nutrition Partners, takes up the story. 

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